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The New Engineer — HVAC

com.thenewengineer/hvac · v1.3.0

Measured by MCP Station

Description written by the publisher, not verified

IFC models: duct networks, circuits, pressure drop. EN 12828 vessels, EN 378, Swiss refrigerants.

Connect

claude mcp add --transport http hvac https://thenewengineer.com/mcp

{
  "mcpServers": {
    "hvac": {
      "url": "https://thenewengineer.com/mcp"
    }
  }
}

Tools as reported by the server

• size_expansion_vessel
  DETERMINISTIC: the same inputs always give the same result — from any AI, on any day. Figures come from the standard's tables and formulas, never from a language model's estimate. Every step is auditable. Size the expansion vessel and pressurisation of a closed heating or chilled-water circuit to EN
• water_content_from_vessel
  DETERMINISTIC: the same inputs always give the same result — from any AI, on any day. Figures come from the standard's tables and formulas, never from a language model's estimate. Every step is auditable. Deduce the water content of an installation from the expansion vessel already fitted. WHAT THIS
• check_refrigerant_switzerland
  DETERMINISTIC: the same inputs always give the same result — from any AI, on any day. Figures come from the regulation's annexes and thresholds, never from a language model's estimate. Every step is auditable. Swiss refrigerant regulation check (ORRChim / ChemRRV annex 2.10, OFEV synthesis of May 20
• check_en378_zones
  DETERMINISTIC: the same inputs always give the same result — from any AI, on any day. Figures come from the standard's tables and formulas, never from a language model's estimate. Every step is auditable. EN 378 applied to BUILDING projects, volume by volume. An installation does not occupy one room
• read_ifc_overview
  CALL THIS FIRST, as soon as the user gives you a token - a link thenewengineer.com/ia/XXXX pasted in the conversation - BEFORE you answer anything, even when the user only says they will choose or do something themselves. It answers within seconds, while the network graph is still being built - use
• apply_ifc_rules
  Turn what you read in the overview into rules the tool replays on EVERY piece of the model, including the ones you were never shown. NOT NEEDED ON A MODEL ALREADY TREATED: when read_ifc_overview returns 'designation_existante', the units and fans are already designated - reuse them. Posting rules RE
• read_ifc_networks
  DETERMINISTIC: networks come from geometry, not from a guess. The same model always gives the same networks, from any AI, on any day. Read the networks of an IFC model already uploaded by the user. WHAT A NETWORK IS. A set of parts that touch each other, cut at equipment: a pump, an air handling uni
• name_ifc_networks
  Apply the names you propose, and get back the updated report. THE NAMES ARE YOURS, THE NETWORKS ARE NOT. You are naming what the tool measured; you are not changing what it measured. Nothing you send here alters a network, a part, or a correction. WHAT COMES BACK. The updated report, a 3D link where
• trace_duct_circuits
  THE CIRCUITS THE FANS OF A MODEL ARE SIZED ON, found without anyone clicking and computed on the pressure-drop page, where the user confirms types and flows and reads the pressure drops. THE USER WANTS TO PICK THE UNITS THEMSELVES: call this tool with ONLY the token right away, and give them 'lien_c
• open_ifc_upload
  Show an upload box in the conversation where the user can drop an IFC file (.ifc) of a building services model (HVAC, plumbing, heating). The file goes straight from the user's browser to thenewengineer.com - you never see it. CALL THIS when the user wants to analyse an IFC model and has not yet giv
• ifc_upload_result
  Where the upload stands. When `state` is `depose`, `token` is the token to pass to read_ifc_networks.

Tool changes

• 2026-10-24: size_expansion_vessel, water_content_from_vessel, check_refrigerant_switzerland, check_en378_zones, read_ifc_overview, apply_ifc_rules, read_ifc_networks, name_ifc_networks, trace_duct_circuits, open_ifc_upload, ifc_upload_result
• 2026-10-20: size_expansion_vessel, water_content_from_vessel, check_refrigerant_switzerland, check_en378_zones, read_ifc_overview, apply_ifc_rules, read_ifc_networks, name_ifc_networks, trace_duct_circuits, open_ifc_upload, ifc_upload_result
• 2026-10-17: size_expansion_vessel, water_content_from_vessel, check_refrigerant_switzerland, check_en378_zones, read_ifc_overview, apply_ifc_rules, read_ifc_networks, name_ifc_networks, trace_duct_circuits, open_ifc_upload, ifc_upload_result
• 2026-10-16: size_expansion_vessel, water_content_from_vessel, check_refrigerant_switzerland, check_en378_zones, read_ifc_overview, apply_ifc_rules, read_ifc_networks, name_ifc_networks, trace_duct_circuits, open_ifc_upload, ifc_upload_result

Website · JSON · Text for agents · Registry updated 2026-10-10